Diadora Speed Blushield Fly 4+ Clay Men's Tennis Shoes White/Black/Deja Vu Blue : Designed for fleet-footed players, the Diadora Speed Blushield Fly 4+ Clay unleashes your quickness on the court! This lightweight tennis shoe features a sock-like upper with D-Skin technology for support during the match. Blushield technology in the midsole delivers a fast feel as you explode toward the next shot. Find your footing on clay courts with the Duratech 5000 rubber outsole. Soft and responsive, the Diadora Speed Blushield Fly 4+ Clay provides the speed to reach any shot! Shoe Technology Upper: Suprelltech, air mesh and D-Skin upper wraps around the foot for support and breathability. Sock-like construction offers long-lasting, step-in comfort. Soft lycra lining with non-skid texture. Traditional lace closure for a secure fit. Midsole: Lightweight EVA with reinforced arch support improves stability. Blushield technology in the forefoot creates a fast and explosive feel as you push off the court. Removable insole. Outsole: Duratech 5000 rubber compound offers grip and durability on clay courts.